Add QR Plus to the shared app launcher across all Ladill apps.

Register qrplus.ladill.com in ladill_launcher.php and sync the launcher icon.

Co-authored-by: Cursor <cursoragent@cursor.com>

config/ladill_launcher.php

@@ -30,5 +30,6 @@ return [
         ['name' => 'Domains', 'url' => 'https://domains.'.$root, 'icon' => 'domains.svg'],
         ['name' => 'Servers', 'url' => 'https://servers.'.$root, 'icon' => 'servers.svg'],
         ['name' => 'Hosting', 'url' => 'https://hosting.'.$root, 'icon' => 'hosting.svg'],
+        ['name' => 'QR Plus', 'url' => 'https://qrplus.'.$root, 'icon' => 'qrplus.svg'],
     ],
 ];